ES428258A1 - Polycarbodiimide treatments - Google Patents

Polycarbodiimide treatments

Info

Publication number
ES428258A1
ES428258A1 ES428258A ES428258A ES428258A1 ES 428258 A1 ES428258 A1 ES 428258A1 ES 428258 A ES428258 A ES 428258A ES 428258 A ES428258 A ES 428258A ES 428258 A1 ES428258 A1 ES 428258A1
Authority
ES
Spain
Prior art keywords
polycarbodiimide
treatments
fiber matrix
collagen fiber
carbodiimide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES428258A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of ES428258A1 publication Critical patent/ES428258A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes

Abstract

Porous collagen fiber matrix including natural leather having improved dynamic water resistance and the process for making it comprising treating tanned anionically charged water wetted collagen fiber matrix with chromium complex and with carbodiimide.
ES428258A 1973-07-25 1974-07-15 Polycarbodiimide treatments Expired ES428258A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382343A US3922143A (en) 1973-07-25 1973-07-25 Polycarbodiimide treatments

Publications (1)

Publication Number Publication Date
ES428258A1 true ES428258A1 (en) 1976-07-16

Family

ID=23508534

Family Applications (1)

Application Number Title Priority Date Filing Date
ES428258A Expired ES428258A1 (en) 1973-07-25 1974-07-15 Polycarbodiimide treatments

Country Status (9)

Country Link
US (1) US3922143A (en)
JP (1) JPS5042197A (en)
AR (1) AR201329A1 (en)
AU (1) AU459427B2 (en)
BR (1) BR7406074D0 (en)
DE (1) DE2435667A1 (en)
ES (1) ES428258A1 (en)
FR (1) FR2238760B1 (en)
IT (1) IT1016979B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU582346B2 (en) * 1983-09-13 1989-03-23 Minnesota Mining And Manufacturing Company Fluorohydrocarbon sulfonamide compounds and use thereof in treatment of leather, textiles and cellusosic materials
JP2796385B2 (en) * 1989-12-22 1998-09-10 ミネソタ マイニング アンド マニユフアクチユアリング カンパニー Water and oil repellent treatment agent
JPH03193975A (en) * 1989-12-22 1991-08-23 Minnesota Mining & Mfg Co <3M> Water-repellant oil-repellant treating agent
US5981011A (en) * 1992-01-22 1999-11-09 A*Ware Technologies, L.C. Coated sheet material
JP3438957B2 (en) * 1994-08-11 2003-08-18 日清紡績株式会社 Aqueous surface treatment agent for reinforcement, reinforcement treated with the aqueous surface treatment, and composite reinforced with reinforcement
US6248857B1 (en) * 1998-10-01 2001-06-19 Nitto Denko Corporation Aromatic polycarbodiimide and polycarbodiimide sheet
US7552605B2 (en) * 2002-10-15 2009-06-30 Seton Company Natural grain leather

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853518A (en) * 1956-07-30 1958-09-23 Du Pont Chemical process
US3450562A (en) * 1965-06-18 1969-06-17 Du Pont Cellulosic materials coated with an organic polycarbodiimide
US3574517A (en) * 1967-07-19 1971-04-13 Don S Elvrum Curing and pretannage of hides
US3574518A (en) * 1968-12-11 1971-04-13 Minnesota Mining & Mfg Collagen matrix waterproofing with chromium complexes containing radicals of long chain hydrocarbons and fluorinated hydrocarbons and product so produced
US3668124A (en) * 1970-05-13 1972-06-06 Pennwalt Corp Composition and method for treating dry-cleanable soil-resistant leathers

Also Published As

Publication number Publication date
AU459427B2 (en) 1975-03-27
BR7406074D0 (en) 1975-05-13
IT1016979B (en) 1977-06-20
AR201329A1 (en) 1975-02-28
DE2435667A1 (en) 1975-02-06
FR2238760B1 (en) 1978-06-16
AU7157874A (en) 1975-03-27
FR2238760A1 (en) 1975-02-21
US3922143A (en) 1975-11-25
JPS5042197A (en) 1975-04-17

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